$OpenBSD: patch-src_3rdparty_chromium_third_party_ffmpeg_libavutil_autorename_libavutil_cpu_c,v 1.1.1.1 2016/12/25 14:13:19 zhuk Exp $
--- src/3rdparty/chromium/third_party/ffmpeg/libavutil/autorename_libavutil_cpu.c.orig.port	Sat Aug  6 00:14:59 2016
+++ src/3rdparty/chromium/third_party/ffmpeg/libavutil/autorename_libavutil_cpu.c	Sat Aug  6 19:57:57 2016
@@ -16,6 +16,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#ifndef _BSD_SOURCE
+# define _BSD_SOURCE
+#endif
+
 #include <stdint.h>
 
 #include "cpu.h"
